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Preprints, Working Papers, ... Year : 2008

A multi-D model for Raman amplification


In this paper, we continue the study of the Raman amplification in plasmas that we have initiated in \cite{colins1} and \cite{colins2}. We point out that the Raman instability gives rise to three components. The first one is colinear to the incident laser pulse and counter propagates. In 2-D, the two other ones make a non-zero angle with the initial pulse and propagates forward. Furthermore they are symmetric with respect to the direction of propagation of the incident pulse. We construct a nonlinear system taking into account all these components and perform some 2-D numerical simulations.
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inria-00332462 , version 1 (21-10-2008)


  • HAL Id : inria-00332462 , version 1


Mathieu Colin, Thierry Colin. A multi-D model for Raman amplification. 2008. ⟨inria-00332462⟩
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